avalon2
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an elegant efficient express mvvm framework
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<title>Code coverage report for directives/visible.js</title>
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<a href="../index.html">all files</a> / <a href="index.html">directives/</a> visible.js
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<div class='fl pad1y space-right2'>
<span class="strong">100% </span>
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<span class="strong">83.87% </span>
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<span class='fraction'>39/39</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { avalon } from '../seed/core'
import '../effect/index'
var none = 'none'
function parseDisplay(elem, val) {
//用于取得此类标签的默认display值
var doc = elem.ownerDocument
var nodeName = elem.nodeName
var key = '_' + nodeName
<span class="missing-if-branch" title="else path not taken" >E</span>if (!parseDisplay[key]) {
var temp = doc.body.appendChild(doc.createElement(nodeName))
val = avalon.css(temp, 'display')
doc.body.removeChild(temp)
if (val === none) {
val = 'block'
}
parseDisplay[key] = val
}
return parseDisplay[key]
}
avalon.parseDisplay = parseDisplay
avalon.directive('visible', {
diff: function (newVal, oldVal) {
var n = !!newVal
<span class="missing-if-branch" title="else path not taken" >E</span>if (oldVal === void 0 || n !== oldVal) {
this.value = n
return true
}
},
ready: true,
update: function (vdom, show) {
var dom = vdom.dom
<span class="missing-if-branch" title="else path not taken" >E</span>if (dom && dom.nodeType === 1) {
var display = dom.style.display
var value
if (show) {
if (display === none) {
value = vdom.displayValue
if (!value) {
dom.style.display = ''
<span class="missing-if-branch" title="else path not taken" >E</span>if (dom.style.cssText === '') {
dom.removeAttribute('style')
}
}
}
if (dom.style.display === '' && avalon(dom).css('display') === none &&
// fix firefox BUG,必须挂到页面上
avalon.contains(dom.ownerDocument, dom)) {
value = parseDisplay(dom)
}
} else {
<span class="missing-if-branch" title="else path not taken" >E</span>if (display !== none) {
value = none
vdom.displayValue = display
}
}
var cb = function () {
if (value !== void 0) {
dom.style.display = value
}
}
avalon.applyEffect(dom, vdom, {
hook: show ? 'onEnterDone' : 'onLeaveDone',
cb: cb
})
}
}
})
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Code coverage
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